HTTP Rest Server Error

Development Programming & Scripting Multiplayer & Networking
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1

I’m trying to create an HTTP Rest server on Unreal engine with HTTPServer module.
When I call the endpoint with localhost or 127.0.0.1 works fine, but when I use the machine IP i have an HTTP Error (Request timeout or Connection Refused).
What could be the problem?

Thanks

void AServerGameMode::StartPlay()
{
	Super::StartPlay();

	auto HttpServerModule = &FHttpServerModule::Get();
	//UE_LOG(LogTemp, Log, TEXT("Starting UnrealHttpServer Server..."));
	TSharedPtr<IHttpRouter> HttpRouter = HttpServerModule->GetHttpRouter(Port);

	FHttpPath CommandPath(FEndpoint::SendCommand);
	FHttpRouteHandle HttpRouteHandle = HttpRouter->BindRoute(CommandPath, EHttpServerRequestVerbs::VERB_PUT,
		[this](const FHttpServerRequest& Request, const FHttpResultCallback& OnComplete)
		{
			return RequestMessageHandler(Request, OnComplete);
		}
	);

	// Start Listeners
	HttpServerModule->StartAllListeners();
}
2

I think I found the solution, I had to enter the following property inside the DefaultEngine.ini and Engine.ini:

[HTTPServer.Listeners]
DefaultBindAddress=0.0.0.0

it would be interesting to understand how I would do it from code